package com.ruoyi.config;
//package com.ruoyi.config;
//
//
//import org.apache.http.client.HttpClient;
//import org.apache.http.client.config.RequestConfig;
//import org.apache.http.config.Registry;
//import org.apache.http.config.RegistryBuilder;
//import org.apache.http.conn.socket.ConnectionSocketFactory;
//import org.apache.http.conn.socket.PlainConnectionSocketFactory;
//import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
//import org.apache.http.impl.client.HttpClientBuilder;
//import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.http.client.ClientHttpRequestFactory;
//import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
//import org.springframework.web.client.RestTemplate;
//
//@Configuration
//public class RestTemplateConfig {
//    //从连接池获取连接的超时时间，一般设置为较短；
//    @Value("${http-pool.connection-request-timeout}")
//    private int connectionRequestTimeout;
//
//    //连接超时时间
//    @Value("${http-pool.connection-timeout}")
//    private int connectionTimeout;
//
//    //完成连接后，socket通信超时时间
//    @Value("${http-pool.socket-timeout}")
//    private int socketTimeout;
//
//    //单host（可以理解为单域名）最大并发数
//    @Value("${http-pool.max-per-route}")
//    private int maxPerRoute;
//
//    //连接池最大连接数
//    @Value("${http-pool.max-total}")
//    private int maxTotal;
//
//    @Bean
//    public RestTemplate restTemplate() {
//        return new RestTemplate(httpRequestFactory());
//    }
//
//    @Bean
//    public ClientHttpRequestFactory httpRequestFactory() {
//        return new HttpComponentsClientHttpRequestFactory(httpClient());
//    }
//
//    @Bean
//    public HttpClient httpClient() {
//        Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
//                .register("http", PlainConnectionSocketFactory.getSocketFactory())
//                .register("https", SSLConnectionSocketFactory.getSocketFactory())
//                .build();
//        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);
//        //设置整个连接池最大连接数 根据自己的场景决定
//        connectionManager.setMaxTotal(maxTotal);
//        //路由是对maxTotal的细分
//        connectionManager.setDefaultMaxPerRoute(maxPerRoute);
//        RequestConfig requestConfig = RequestConfig.custom()
//                .setSocketTimeout(socketTimeout)//服务器返回数据(response)的时间，超过该时间抛出read timeout
//                .setConnectTimeout(connectionTimeout)//连接上服务器(握手成功)的时间，超出该时间抛出connect timeout
//                .setConnectionRequestTimeout(connectionRequestTimeout)//从连接池中获取连接的超时时间，超过该时间未拿到可用连接，会抛出org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection from pool
//                .build();
//        return HttpClientBuilder.create()
//                .setDefaultRequestConfig(requestConfig)
//                .setConnectionManager(connectionManager)
//                .build();
//    }
//}
